APA (7e ed.) Bronvermelding

World Health Organization. (2000). Air quality guidelines for europe (2nd-ed.). World Health Organization.

Chicago (17e ed.) Bronvermelding

World Health Organization. Air Quality Guidelines for Europe. 2nd-ed. Copenhagen: World Health Organization, 2000.

MLA (8e ed.) Bronvermelding

World Health Organization. Air Quality Guidelines for Europe. 2nd-ed. World Health Organization, 2000.

Let op: Deze citaties zijn niet altijd 100% accuraat.